package com.zxx.pattern.statePattern.state2;

/**
 * 状态接口
 * @author zxx on 2021/1/18
 */
public interface State2 {

    //1.预定房间
    void bookRoom();

    //2.退订房间
    void unsubscribeRoom();

    //3.入住
    void checkInRoom();

    //4.退房
    void checkOutRoom();

}
